Home / 218,515,268.72-301,542,097.60-119,399,418.60

Finding the Fourth Proportional to 218,515,268.72, 301,542,097.60 and 119,399,418.60

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Solution

The fourth proportional to 218,515,268.72, 301,542,097.60 and 119,399,418.60 is: 164,766,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,515,268.72 : 301,542,097.60 = 119,399,418.60 : x
  2. Step 2: Convert to fraction form
    218,515,268.72/301,542,097.60 = 119,399,418.60/x
  3. Step 3: Cross multiply
    218,515,268.72x = 301,542,097.60 × 119,399,418.60
  4. Step 4: Simplify right side
    218,515,268.72x = 36,003,951,135,210,700
  5. Step 5: Solve for x
    x = 36,003,951,135,210,700/218,515,268.72
  6. Step 6: Final answer
    x = 164,766,294.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.